Abstract
This study shows the long-term updated outcomes of a multicenter retrospective study which analyzed 843 patients with myelodysplastic syndrome (MDS) who underwent transplantation with an HLA-identical sibling donor with either reduced-intensity conditioning (RIC) in 213 patients, or standard myeloablative conditioning (MAC) in 630 patients. In multivariate analysis, the 13-year relapse rate was significantly increased after RIC (31% after MAC vs 48% in RIC; HR, 1.5; 95% CI, 1.1–1.9; P=0.04), but with no differences in overall survival (OS) (30% after MAC vs 27% in RIC; P=0.4) and PFS (29 vs 21%, respectively, P=0.3). Non-relapse mortality was higher in MAC (40 vs 31%; P=0.1), especially in patients older than 50 years (50 vs 33%, P<0.01). In addition, long-term follow-up confirms the importance of other variables on 13-year OS, mainly MDS risk category, disease phase, cytogenetics and receiving a high donor cell dose, irrespective of the conditioning regimen used.
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RM designed the study, performed data analysis and wrote the various versions of the manuscript. AH was the main data manager. MR, TdW and NK designed the study, coordinated all the steps from design to the final data analysis, and participated in the development of all versions of the manuscript. All other coauthors participated in data management and in the development of all versions of the manuscript.
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Martino, R., Henseler, A., van Lint, M. et al. Long-term follow-up of a retrospective comparison of reduced-intensity conditioning and conventional high-dose conditioning for allogeneic transplantation from matched related donors in myelodysplastic syndromes. Bone Marrow Transplant 52, 1107–1112 (2017). https://doi.org/10.1038/bmt.2017.19
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DOI: https://doi.org/10.1038/bmt.2017.19
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